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Sec. 39-97. Definitions.

Sec. 39-97. Definitions.

For the purposes of this article, the following terms shall have the following meanings:

(a) Backflow: The reversal of the normal flow of water or other fluids, mixtures or substances through the distributing pipes of the water system because of an increase in the downstream pressure to a rate that is higher than the supply pressure.

(c) Back-siphonage: The reversal of the normal flow of water or other liquids, mixtures or substances through the distributing pipes of the water system because of negative pressure from a vacuum or partial vacuum in the pipes that supply water.

(d) Cross-connection: Any physical connection between a potable water supply and waste pipe, soil pipe, sewer drain or unapproved source or system, including any potable water supply outlet which is submerged or can be submerged in wastewater or any source of contamination.

(e) Director: The Director of Utilities or any person designated to act on the director’s behalf.

(f) Owner: The owner, occupant or tenant of a building or structure.

(g) Plumbing fixtures: Receptacles, devices or appliances that are installed to supply, receive or discharge water or wastewater.

(h) Plumbing system: Water supply and distribution pipes, plumbing fixtures, traps, soil, waste and vent pipes, building drains, building sewers, water-treating and water-using equipment and connection devices and appurtenances that supply water to a building and that are located on the property where the building is located.

(i) Pollution: The presence of any foreign substance in water that tends to degrade its quality.

(j) Water, potable: Water that is free from impurities in amounts that are sufficient to cause disease or harmful physiological effects and that contains bacteriological and chemical qualities which conform to the requirements of the Department of Health’s Virginia Waterworks Regulations and of the city.

(k) Water, nonpotable: Water that is not safe for human consumption or that is not potable. (Ord. No. O-03-112, 6-10-03, eff. 7-1-03)